90434411 has 2 divisors, whose sum is σ = 90434412. Its totient is φ = 90434410.

The previous prime is 90434387. The next prime is 90434417. The reversal of 90434411 is 11443409.

It is a strong prime.

It is an emirp because it is prime and its reverse (11443409) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90434411 is a prime.

It is not a weakly prime, because it can be changed into another prime (90434417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45217205 + 45217206.

It is an arithmetic number, because the mean of its divisors is an integer number (45217206).

Almost surely, 2^90434411 is an apocalyptic number.

90434411 is a deficient number, since it is larger than the sum of its proper divisors (1).

90434411 is an equidigital number, since it uses as much as digits as its factorization.

90434411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 90434411 is about 9509.7008890921. The cubic root of 90434411 is about 448.8603441636.

The spelling of 90434411 in words is "ninety million, four hundred thirty-four thousand, four hundred eleven".